| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Xingpeng Chem | China national standards | MT | 985.15 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 1013.3 | USD | 20250930 |
| Shandong Jinshenrun Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Jinling Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1393.29 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1252.55 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1259.59 | USD | 20250930 |
| Shandong Langchem | China national standards | MT | 1210.33 | USD | 20250930 |
| Shandong Junfeng | China national standards | MT | 1055.52 | USD | 20250930 |